Question

simplify (-45/60-15/20)×(9/-12- -8/12)×(9/12+16/12×(+21/28)
please answer step wise step
in a simple way​

Answer 1

Answer:

Step by step explanation

(-45-45/60)×(9-8/-12)×(25/12)×21/28

= (-90/60)×(1/-12)×(25/12)×(21/28)

=(-3/2)×(1/-12)×(25/12)×(3/4)

=75/384

=0.19